Which expression is equivalent to |8| + |-7|? O -15

O -1

O 1

O 15

Please someone do I need the answer thx :)

How many zeros does the function f(x)=4x3-x2+1 have

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.